r199021 - in /branches/gcc-4_8-branch/gcc: Chan...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri May 17 15:32:50 2013
New Revision: 199021

URL: http://gcc.gnu.org/viewcvs?rev=199021&root=gcc&view=rev
Log:
	PR rtl-optimization/57281
	PR rtl-optimization/57300
	* config/i386/i386.md (extendsidi2_1 dead reg splitter): Remove.
	(extendsidi2_1 peephole2s): Add instead 2 new peephole2s, that undo
	what the other splitter did if the registers are dead.

	* gcc.dg/pr57300.c: New test.
	* gcc.c-torture/execute/pr57281.c: New test.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.c-torture/execute/pr57281.c
    branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/pr57300.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/config/i386/i386.md
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog